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Thermodynamic Description of \({\hbox{SrO-Al}_{2}\hbox{O}_{3}}\) System and Comparison with Similar Systems

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Abstract

The Al2O3-SrO binary system has been studied using the CALPHAD technique in this paper. The modeling of Al2O3 in the liquid phase is modified from the traditional formula with the liquid phase represented by the ionic two-sublattice model as (Al3+, Sr2+) P (\({\hbox{AlO}_{2}^{1-}}\), O2−) Q . Based on the measured phase equilibrium data and experimental thermodynamic properties, a set of thermodynamic functions has been optimized using an interactive computer-assisted analysis. The calculated results are compared with experimental data. A comparison between this system and similar systems is also given.

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Acknowledgments

The authors thank the National Natural Science Foundation of China for financial support No. 50204002, and Dr. Bo Sundman for the Thermo-Calc program package.

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Authors and Affiliations

  1. National Engineering Research Center for Rare Earth Materials, General Research Institute for Non-ferrous Metals, and Grirem Advanced Materials Co. Ltd, Beijing, 100088, China

    Xinyu Ye & Weidong Zhuang

  2. School of Applied Science, University of Science & Technology Beijing, Beijing, 100083, China

    Jingfang Wang & Wenxia Yuan

  3. School of Metallurgy and Ecological Engineering, University of Science & Technology Beijing, Beijing, 100083, China

    Zhiyu Qiao

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  1. Xinyu Ye
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Correspondence to Weidong Zhuang.

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Ye, X., Zhuang, W., Wang, J. et al. Thermodynamic Description of \({\hbox{SrO-Al}_{2}\hbox{O}_{3}}\) System and Comparison with Similar Systems. J Phs Eqil and Diff 28, 362–368 (2007). https://doi.org/10.1007/s11669-007-9086-x

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  • DOI: https://doi.org/10.1007/s11669-007-9086-x

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